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Telegram/SourceFiles/ui/controls/send_button.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/widgets/buttons.h"
+
+namespace style {
+struct SendButton;
+struct IconButton;
+struct RoundButton;
+} // namespace style
+
+namespace Ui {
+
+class SendButton final : public RippleButton {
+public:
+	SendButton(QWidget *parent, const style::SendButton &st);
+
+	static constexpr auto kSlowmodeDelayLimit = 100 * 60;
+
+	enum class Type {
+		Send,
+		Schedule,
+		Save,
+		Record,
+		Round,
+		Cancel,
+		Slowmode,
+		EditPrice,
+	};
+	struct State {
+		Type type = Type::Send;
+		QColor fillBgOverride;
+		int slowmodeDelay = 0;
+		int starsToSend = 0;
+
+		friend inline bool operator==(State, State) = default;
+	};
+	[[nodiscard]] Type type() const {
+		return _state.type;
+	}
+	[[nodiscard]] State state() const {
+		return _state;
+	}
+	void setState(State state);
+	void finishAnimating();
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+	QImage prepareRippleMask() const override;
+	QPoint prepareRippleStartPosition() const override;
+
+private:
+	struct StarsGeometry {
+		QRect inner;
+		QRect rounded;
+		QRect outer;
+	};
+	[[nodiscard]] QPixmap grabContent();
+	void updateSize();
+
+	[[nodiscard]] StarsGeometry starsGeometry() const;
+
+	void paintRecord(QPainter &p, bool over);
+	void paintRound(QPainter &p, bool over);
+	void paintSave(QPainter &p, bool over);
+	void paintCancel(QPainter &p, bool over);
+	void paintSend(QPainter &p, bool over);
+	void paintSchedule(QPainter &p, bool over);
+	void paintSlowmode(QPainter &p);
+	void paintStarsToSend(QPainter &p, bool over);
+
+	const style::SendButton &_st;
+
+	State _state;
+	QPixmap _contentFrom, _contentTo;
+
+	Ui::Animations::Simple _stateChangeAnimation;
+	int _stateChangeFromWidth = 0;
+
+	QString _slowmodeDelayText;
+	Ui::Text::String _starsToSendText;
+
+};
+
+struct SendStarButtonState {
+	int count = 0;
+	bool highlight = false;
+};
+
+class SendStarButton final : public RippleButton {
+public:
+	SendStarButton(
+		QWidget *parent,
+		const style::IconButton &st,
+		const style::RoundButton &counterSt,
+		rpl::producer<SendStarButtonState> state);
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+	QImage prepareRippleMask() const override;
+	QPoint prepareRippleStartPosition() const override;
+
+private:
+	void setCount(int count);
+	void highlight(bool enabled);
+
+	const style::IconButton &_st;
+	const style::RoundButton &_counterSt;
+
+	QImage _frame;
+	Ui::Text::String _starsText;
+	Ui::Animations::Simple _highlight;
+	int _count = 0;
+	bool _highlighted = false;
+
+};
+
+} // namespace Ui